What percent of students who wear lenses are darkeyed Darkey
What percent of students who wear lenses are dark-eyed? Dark-eyed includes black and brown.
Select one:
a. 23/80 = 28.8%
b. 34/80 = 42.5%
c. 23/34 = 67.6%
d. 34/60 = 56.7%
e. 23/60 = 38.3%
| Wears glasses/Lenses | Does not wear glasses/Lenses | ||
| Dark-eyed | |||
| Black | 4 | 2 | 6 |
| Brown | 19 | 35 | 54 |
| Light-eyed | |||
| Blue | 8 | 4 | 12 |
| Green | 2 | 3 | 5 |
| Hazel | 1 | 2 | 3 |
Solution
a) c. 23/34 = 67.6%
No of people who wear lenses and dark eyed = 4+19 =23
Total lens wearers = 37
Hence 67.6%
